diff --git a/install_roundcube.sh b/install_roundcube.sh
index c6558d9..84e7233 100755
--- a/install_roundcube.sh
+++ b/install_roundcube.sh
@@ -2144,8 +2144,32 @@ else
    error "$(cat $log_file)"
 fi
 
-_key="managesieve_disabled_extensions"
-_val="array('vacation')"
+#_key="managesieve_disabled_extensions"
+#_val="array('vacation')"
+#echononl "\tChange '$_key' to $_val"
+#perl -i -n -p -e "s#(^\s*\\\$config\['$_key'\].*)#//\!\1\n\\\$config['$_key'] = $_val;#" \
+#   ${WEBSITE_BASEDIR}/roundcubemail-${ROUNDCUBE_VERSION}/plugins/${_plugin}/config.inc.php > $log_file 2>&1
+#if [[ $? -eq 0 ]] ; then
+#   echo_ok
+#else
+#   echo_failed
+#   error "$(cat $log_file)"
+#fi
+
+_key="managesieve_vacation"
+_val="1"
+echononl "\tChange '$_key' to $_val"
+perl -i -n -p -e "s#(^\s*\\\$config\['$_key'\].*)#//\!\1\n\\\$config['$_key'] = $_val;#" \
+   ${WEBSITE_BASEDIR}/roundcubemail-${ROUNDCUBE_VERSION}/plugins/${_plugin}/config.inc.php > $log_file 2>&1
+if [[ $? -eq 0 ]] ; then
+   echo_ok
+else
+   echo_failed
+   error "$(cat $log_file)"
+fi
+
+_key="managesieve_vacation_interval"
+_val="1"
 echononl "\tChange '$_key' to $_val"
 perl -i -n -p -e "s#(^\s*\\\$config\['$_key'\].*)#//\!\1\n\\\$config['$_key'] = $_val;#" \
    ${WEBSITE_BASEDIR}/roundcubemail-${ROUNDCUBE_VERSION}/plugins/${_plugin}/config.inc.php > $log_file 2>&1